Covers minimum requirements for Class 150 and 300 cast ductile iron pipe flanges and flanged fittings. The requirements covered are as follows: (a) pressure-temperature ratings; (b) sizes and method of designating openings of reducing fittings; (c) marking; (d) material; (e) dimensions and tolerances; (f) bolts, nuts, and gaskets; (g) tests.
- ANSI/ASME B16.42-2011 球墨铸铁管法兰和法兰配件（ 现行 ）
- 发布日期：2018-05-04 实施日期： 发布部门：
- 简介：Covers minimum requirements for Class 150 and 300 cast ductile iron pipe flanges and flanged fittings. The requirements covered are as follows: (a) pressure-temperature ratings; (b) sizes and method of designating openings of reducing fittings; (c) marking; (d) material; (e) dimensions and tolerances; (f) bolts, nuts, and gaskets; (g) tests.